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Oval|Lab Grown|IGI

3.05ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG678584132

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584132

Diamond specifications and retailer prices

From $779 SGD
As of November 1, 2026
Save $2,079 SGD (73%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,858 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584132 or 678584132. Listed at 15 retailers as of October 31, 2026, with prices from $779 to $2,858, a $2,079 spread on the same certified stone. Brilliant Earth lists it at $2,858. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.05
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584132
Dimensions11.67 × 8.25 × 5.11 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.67 mm8.25 mm3.05 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584132
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,858 SGD|Low: $467 SGD|High: $2,858 SGD|Avg: $1,191 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 4$467 SGD
Retailer 3$533 SGD
Retailer 16$541 SGD
Retailer 7$627 SGD
Retailer 8$627 SGD
Retailer 14$769 SGD
Retailer 11$779 SGD
Retailer 12$983 SGD
Retailer 9$1,043 SGD
Retailer 5$1,087 SGD
Retailer 15$1,376 SGD
Retailer 10$1,452 SGD
Retailer 13$1,860 SGD
Retailer 2$2,261 SGD
Retailer 6$2,416 SGD
Brilliant Earth$2,858 SGD

41 data points across 16 retailers

15 retailers$779 SGD to $2,858 SGD

Retailer 1
-
$467 SGD
Price last confirmed 10 days ago
Retailer 2
-
$541 SGD
View
Price last confirmed 10 days ago
Retailer 3
-
$627 SGD
View
Price last confirmed 12 days ago
Retailer 4
-
$627 SGD
View
Price last confirmed 12 days ago
Retailer 5
-
$769 SGD
View
Price last confirmed 4 days ago
B+
Retailer 6
-
$779 SGD
View
A
Retailer 7
-
$983 SGD
View
A
Retailer 8
-
$1,043 SGD
View
A
Retailer 9
-
$1,087 SGD
View
B+
Retailer 10
-
$1,376 SGD
View
B+
Retailer 11
-
$1,452 SGD
View
Retailer 12
-
$1,860 SGD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$2,261 SGD
View
Retailer 14
-
$2,416 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
Brilliant Earth
17470285A · Oct 31
$2,858 SGD
$2,230 USD
View
14 more retailers have this diamond
Prices start from $779 SGDSave up to $2,079 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.05ct Oval
$779 SGD